The APSPB32B33xDL20 from ATOP Corporation is a Fiber Optic Transceiver with Data Rate Up to 10.5 Gb/s, Wavelength 1330 to 1270 nm, Distance/Reach 20 km, Output Power -2 to 3 dbm, Receiver Sensitivity -13 dBm. More details for APSPB32B33xDL20 can be seen below.